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Chapter 5: Q.5.33 (page 348)
Use the following information to answer the next eight exercises. A distribution is given as.
Find the percentile
The value ofpercentile is.
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Use the following information to answer the next eleven exercises. The age of cars in the staff parking lot of a suburban college is uniformly distributed from six months (0.5 years) to 9.5 years
In words, define the random variable X.
On average, a pair of running shoes can last 18 months if used every day. The length of time running shoes last is exponentially distributed. What is the probability that a pair of running shoes last more than 15 months? On average, how long would six pairs of running shoes last if they are used one after the other? Eighty percent of running shoes last at most how long if used every day?
In a small city, the number of automobile accidents occur with a Poisson distribution at an average of three per week.
a. Calculate the probability that there are at most accidents occur in any given week.
b. What is the probability that there is at least two weeks between any accidents?
Which type of distribution does the graph illustrate?
A random number generator picks a number from one to nine in a uniform manner.
a. X ~ _________
b. Graph the probability distribution.
c. f(x) = _________
d. 渭 = _________
e. 蟽 = _________
f. P(3.5 < x < 7.25) = _________
g. P(x > 5.67)
h. P(x > 5|x > 3) = _________
i. Find the 90th percentile
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